Xiaowei Pang,  Haiming Song,  Xiaoshen Wang & Kai Zhang. (2020). An Efficient Numerical Method for the Valuation of American Better-of Options Based on the Front-Fixing Transform and the Far Field Truncation.
            <i>Advances in Applied Mathematics and Mechanics</i>. <i>12</i> (4).
            902-919.
         doi:10.4208/aamm.OA-2019-0107